نتایج جستجو برای: bisphenol a (bpa)
تعداد نتایج: 13432285 فیلتر نتایج به سال:
background: bisphenol a (bpa) is one of the hazardous materials causing disruption of endocrine pathways. due to water contamination by this component from multiple sources and the associated health problems, bpa has been the focus of multiple studies. it has been proved that bpa may cause harm because of its impact on estrogenic receptors in human and other organisms. methods: in this study, t...
Background: Bisphenol A (BPA) is one of the hazardous materials causing disruption of endocrine pathways. Due to water contamination by this component from multiple sources and the associated health problems, BPA has been the focus of multiple studies. It has been proved that BPA may cause harm because of its impact on estrogenic receptors in human and other organisms. Methods: In this study, ...
هدف: هدف از این مطالعه بررسی نقش بازدارندگی ویتامین e (ve) بر شاخص های اسپرماتوژنز رت ها به دنبال تیمار با bisphenol a بود. مواد و روش ها: رت های نر بالغ نژاد ویستار با میانگین وزنی10±231 گرم بهطور تصادفی به 4 گروه (6=n): کنترل، bpa (mg/kg/day250)، ve (mg/kg/day150) و bpa+ ve تقسیم شد. تیمار دهانی تا 56 روز و سه بار در هفته انجام گرفت. در پایان دوره تیمار، موش ها کشته شد و بیضه چپ آن ها توزی...
Background and purpose: Bisphenol A (BPA) is a toxic environmental pollutant that is released from different industries. The aim of this study was to investigate bisphenol A adsorption by activated carbon production from almond shell applying response surface methodology (RSM). Materials and methods: In this descriptive-analytic study, activated carbon production from almond shell was used as ...
Plasticizers with estrogenic activity, such as bisphenol A (BPA), have potential adverse health effects in humans. Due to mounting evidence of these health effects, BPA is being phased out and replaced by other bisphenol variants in "BPA-free" products. We have compared estrogenic activity of BPA with 6 bisphenol analogues [bisphenol S (BPS); bisphenol F (BPF); bisphenol AP (BPAP); bisphenol AF...
Background and purpose: Bisphenol A is a synthetic xenoestrogen that is used in large amount to produce polymers (polycarbonates, epoxy resins). It easily cross the blood-brain barrier and is reported to influence the central nervous system especially neurogenesis and synaptic transmission. In this research the effects of chronic administration of bisphenol A on spatial learning and memory in a...
P-136: The Protective Effect of Vitamin C on Adverse Effect of Bisphenol A on The Ovary in Adult Rat
Background: Bisphenol A (BPA), an estrogenic environmental contaminant is also known for oxidative stressinducing effect. The aim of this study was to investigate the effect of vitamin C as an antioxidant on the ovary tissue in adult rats treated with BPA. Materials and Methods: Adult female rats (200 ±20 g) were divided into 4 groups (n=6):control, bisphenol A (60μg/Kg/day) , vitamin C (150 mg...
Background: Bisphenol A (BPA) disturbs male reproductive system performance via the production of free radicals. Green tea extract (GTE) is known as a potent antioxidant. Objective: The aim of this study was to investigate the effect of co-treatment of BPA and GTE as an antioxidant on male reproductive system performance. Methods: Adult male rats were divided into 4 groups: control, Bisphenol A...
هدف: هدف از این مطالعه بررسی نقش بازدارندگی ویتامین E (VE) بر شاخص‌های اسپرماتوژنز رت‌ها به‌دنبال تیمار با Bisphenol A بود. مواد و روش‌ها: رت‌های نر بالغ نژاد ویستار با میانگین وزنی10±231 گرم بهطور تصادفی به 4 گروه (6=n): کنترل، BPA (mg/kg/day250)، VE (mg/kg/day150) و BPA+ VE تقسیم شد. تیمار دهانی تا 56 روز و سه بار در هفته انجام گرفت. در پایان دوره تیمار،...
Introdution: Bisphenol A (BPA) as an environmental pollutant has estrogenic effects and can induce oxidative stress in the testis tissue. The aim of the present study was to investigate the role of vitamin E (Vit E), as a strong antioxidant, on the adverse effect of BPA on adult rat testis tissue. Methods: Male rats (220±15g) were divided into 4 groups (n=6/each): control, Bisphenol A (...
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